Ch. 7 part a

Question 1

a substance; only one kind of atom

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 1

f. element

Question 2

the smallest piece of an element that can be recognized as that element

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 2

a. atom

Question 3

the study of matter- what it is made of, what its usual characteristics are, how it reacts to other matter

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 3

e. chemistry

Question 4

an atom that has gained or lost electrons

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 4

g. ion

Question 5

based on the number of protons in the nucleus

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 5

b. atomic number

Question 6

the process in which different types of atoms join and form a new substance

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 6

c. chemical change

Question 7

chemical symbols and numbers abbreviating the name of the compound

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 7

d. chemical formula

Question 8

an ionic compound produced from a reaction between an acid and a base

a. atom
b. atomic number
c. chemical change
d. chemical formula
e. chemistry
f. element
g. ion
h. salt

Answer 8

h. salt

Question 9

identify characteristics belonging to acids or bases

are lemons, vinegar, and tomato juice acids or bases

Answer 9

acids

Question 10

identify characteristics belonging to acids or bases

slippery to touch is that an acid or a base?

Answer 10

base